<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8" isErrorPage="true"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Insert title here</title>
</head>
<body>
<h1>你好</h1>
pageContext:${pageScope.msg}<br/>
request:${requestScope.msg}<br/>
session:${sessionScope.msg}-${sessionScope.haha}<br/>
application:${applicationScope.msg}<br/>
<%System.out.println("页面完成...");%>
</body>
</html>
